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Multilayer substrate having piezoelectric film, element having piezoelectric film, and method of manufacturing multilayer substrate having piezoelectric film

机译:具有压电膜的多层基板,具有压电膜的元件以及具有压电膜的多层基板的制造方法

摘要

To provide: a piezoelectric film of which the time until a dielectric breakdown when it is used for a device is prolonged; and a technique relevant thereto.SOLUTION: A laminate board with a piezoelectric film comprises: a substrate; a first electrode film formed on the substrate; and a piezoelectric film formed on the first electrode film. In the laminate board, an oxide film including oxide represented by a composition formula, RuOor IrOis formed on the piezoelectric film.SELECTED DRAWING: Figure 1
机译:提供:一种压电膜,其在用于装置时直至介电击穿的时间延长;解决方案:带有压电膜的层压板,包括:基板;在基板上形成的第一电极膜;压电膜形成在第一电极膜上。在层压板上,在压电薄膜上形成了由组成式RuO或IrO组成的氧化物膜。

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